Just now, I heard Vino digging up a storm in his litter box.  Then he
came running down the hall at breakneck speed and galloped up to me
sideways and poofy and has been zooming around like crazy.
Hmmmm, I thought to myself, this seems like klingon behaviour.  I snuck
up behind him to get a good look at his butt.  No poopies there, no
klingons.  I went to the litterbox, looking on the ground for dropped
klingons all the way.  Nothing on the ground, but a huge turd in the
box.
I guess he's just feeling really pleased because he's had such a big
load off?!?

The other thing I noticed is that when he runs at full speed, he looks
like a broken shopping cart.  He kinda runs sideways, like an airplane
yawing into the wind or a shopping cart that's broken and won't drive
straight.  What a goof!